"Vida de Leon Bautista Alberti, por Rafael du Fresne": p. 183-196
This is the copy described in Steinitz (Belt 27)
According to Steinitz, the text of this reprint is identical to the 1st Spanish ed. of Leonardo's Trattato, which itself was based on Du Fresne's ed. of 1651, with some modifications made by the translator (see Steinitz, p. 191 and p. 172)
Steinitz, K.T. Da Vinci's Trattato, 1651-1956
Spec. Coll. Belt copy: Vellum over thin boards, with ties at spine. Gift, Elmer Belt, M.D., 1961
Book is severely warped; difficult to get pages flush with glass.